GONiCUS GOsa Change Password html/password.php cross site scripting

Summaryinfo

A vulnerability was found in GONiCUS GOsa. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file html/password.php of the component Change Password. Executing a manipulation can lead to cross site scripting. The identification of this vulnerability is CVE-2018-1000528. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in GONiCUS GOsa (version now known). This vulnerability affects some unknown processing of the file html/password.php of the component Change Password. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

GONICUS GOsa version before commit 56070d6289d47ba3f5918885954dcceb75606001 contains a Cross Site Scripting (XSS) vulnerability in change password form (html/password.php, #308) that can result in injection of arbitrary web script or HTML. This attack appear to be exploitable via the victim must open a specially crafted web page. This vulnerability appears to have been fixed in after commit 56070d6289d47ba3f5918885954dcceb75606001.

The bug was discovered 05/24/2018. The weakness was shared 06/26/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-1000528 since 06/22/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 33 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:html/password.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 111221 (Debian DLA-1436-1 : gosa security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176422 (Debian Security Update for gosa (DSA 4239-1)).

Applying the patch 56070d6289d47ba3f5918885954dcceb75606001 is able to eliminate this problem. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111221). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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Vendor

• GONiCUS

Name

• GOsa

License

• open-source

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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